/* Zepto v1.1.3-4-g7e7e10b - zepto event ajax form detect fx fx_methods selector touch gesture - zeptojs.com/license */

define(function(require, exports, module){

    var Zepto = (function() {
        var undefined, key, $, classList, emptyArray = [], slice = emptyArray.slice, filter = emptyArray.filter,
            document = window.document,
            elementDisplay = {}, classCache = {},
            cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },
            fragmentRE = /^\s*<(\w+|!)[^>]*>/,
            singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
            tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
            rootNodeRE = /^(?:body|html)$/i,
            capitalRE = /([A-Z])/g,

        // special attributes that should be get/set via method calls
            methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],

            adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ],
            table = document.createElement('table'),
            tableRow = document.createElement('tr'),
            containers = {
                'tr': document.createElement('tbody'),
                'tbody': table, 'thead': table, 'tfoot': table,
                'td': tableRow, 'th': tableRow,
                '*': document.createElement('div')
            },
            readyRE = /complete|loaded|interactive/,
            simpleSelectorRE = /^[\w-]*$/,
            class2type = {},
            toString = class2type.toString,
            zepto = {},
            camelize, uniq,
            tempParent = document.createElement('div'),
            propMap = {
                'tabindex': 'tabIndex',
                'readonly': 'readOnly',
                'for': 'htmlFor',
                'class': 'className',
                'maxlength': 'maxLength',
                'cellspacing': 'cellSpacing',
                'cellpadding': 'cellPadding',
                'rowspan': 'rowSpan',
                'colspan': 'colSpan',
                'usemap': 'useMap',
                'frameborder': 'frameBorder',
                'contenteditable': 'contentEditable'
            },
            isArray = Array.isArray ||
                function(object){ return object instanceof Array }

        zepto.matches = function(element, selector) {
            if (!selector || !element || element.nodeType !== 1) return false
            var matchesSelector = element.webkitMatchesSelector || element.mozMatchesSelector ||
                element.oMatchesSelector || element.matchesSelector
            if (matchesSelector) return matchesSelector.call(element, selector)
            // fall back to performing a selector:
            var match, parent = element.parentNode, temp = !parent
            if (temp) (parent = tempParent).appendChild(element)
            match = ~zepto.qsa(parent, selector).indexOf(element)
            temp && tempParent.removeChild(element)
            return match
        }

        function type(obj) {
            return obj == null ? String(obj) :
                class2type[toString.call(obj)] || "object"
        }

        function isFunction(value) { return type(value) == "function" }
        function isWindow(obj)     { return obj != null && obj == obj.window }
        function isDocument(obj)   { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }
        function isObject(obj)     { return type(obj) == "object" }
        function isPlainObject(obj) {
            return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
        }
        function likeArray(obj) { return typeof obj.length == 'number' }

        function compact(array) { return filter.call(array, function(item){ return item != null }) }
        function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }
        camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
        function dasherize(str) {
            return str.replace(/::/g, '/')
                .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
                .replace(/([a-z\d])([A-Z])/g, '$1_$2')
                .replace(/_/g, '-')
                .toLowerCase()
        }
        uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) }

        function classRE(name) {
            return name in classCache ?
                classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
        }

        function maybeAddPx(name, value) {
            return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
        }

        function defaultDisplay(nodeName) {
            var element, display
            if (!elementDisplay[nodeName]) {
                element = document.createElement(nodeName)
                document.body.appendChild(element)
                display = getComputedStyle(element, '').getPropertyValue("display")
                element.parentNode.removeChild(element)
                display == "none" && (display = "block")
                elementDisplay[nodeName] = display
            }
            return elementDisplay[nodeName]
        }

        function children(element) {
            return 'children' in element ?
                slice.call(element.children) :
                $.map(element.childNodes, function(node){ if (node.nodeType == 1) return node })
        }

        // `$.zepto.fragment` takes a html string and an optional tag name
        // to generate DOM nodes nodes from the given html string.
        // The generated DOM nodes are returned as an array.
        // This function can be overriden in plugins for example to make
        // it compatible with browsers that don't support the DOM fully.
        zepto.fragment = function(html, name, properties) {
            var dom, nodes, container

            // A special case optimization for a single tag
            if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))

            if (!dom) {
                if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
                if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
                if (!(name in containers)) name = '*'

                container = containers[name]
                container.innerHTML = '' + html
                dom = $.each(slice.call(container.childNodes), function(){
                    container.removeChild(this)
                })
            }

            if (isPlainObject(properties)) {
                nodes = $(dom)
                $.each(properties, function(key, value) {
                    if (methodAttributes.indexOf(key) > -1) nodes[key](value)
                    else nodes.attr(key, value)
                })
            }

            return dom
        }

        // `$.zepto.Z` swaps out the prototype of the given `dom` array
        // of nodes with `$.fn` and thus supplying all the Zepto functions
        // to the array. Note that `__proto__` is not supported on Internet
        // Explorer. This method can be overriden in plugins.
        zepto.Z = function(dom, selector) {
            dom = dom || []
            dom.__proto__ = $.fn
            dom.selector = selector || ''
            return dom
        }

        // `$.zepto.isZ` should return `true` if the given object is a Zepto
        // collection. This method can be overriden in plugins.
        zepto.isZ = function(object) {
            return object instanceof zepto.Z
        }

        // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
        // takes a CSS selector and an optional context (and handles various
        // special cases).
        // This method can be overriden in plugins.
        zepto.init = function(selector, context) {
            var dom
            // If nothing given, return an empty Zepto collection
            if (!selector) return zepto.Z()
            // Optimize for string selectors
            else if (typeof selector == 'string') {
                selector = selector.trim()
                // If it's a html fragment, create nodes from it
                // Note: In both Chrome 21 and Firefox 15, DOM error 12
                // is thrown if the fragment doesn't begin with <
                if (selector[0] == '<' && fragmentRE.test(selector))
                    dom = zepto.fragment(selector, RegExp.$1, context), selector = null
                // If there's a context, create a collection on that context first, and select
                // nodes from there
                else if (context !== undefined) return $(context).find(selector)
                // If it's a CSS selector, use it to select nodes.
                else dom = zepto.qsa(document, selector)
            }
            // If a function is given, call it when the DOM is ready
            else if (isFunction(selector)) return $(document).ready(selector)
            // If a Zepto collection is given, just return it
            else if (zepto.isZ(selector)) return selector
            else {
                // normalize array if an array of nodes is given
                if (isArray(selector)) dom = compact(selector)
                // Wrap DOM nodes.
                else if (isObject(selector))
                    dom = [selector], selector = null
                // If it's a html fragment, create nodes from it
                else if (fragmentRE.test(selector))
                    dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null
                // If there's a context, create a collection on that context first, and select
                // nodes from there
                else if (context !== undefined) return $(context).find(selector)
                // And last but no least, if it's a CSS selector, use it to select nodes.
                else dom = zepto.qsa(document, selector)
            }
            // create a new Zepto collection from the nodes found
            return zepto.Z(dom, selector)
        }

        // `$` will be the base `Zepto` object. When calling this
        // function just call `$.zepto.init, which makes the implementation
        // details of selecting nodes and creating Zepto collections
        // patchable in plugins.
        $ = function(selector, context){
            return zepto.init(selector, context)
        }

        function extend(target, source, deep) {
            for (key in source)
                if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
                    if (isPlainObject(source[key]) && !isPlainObject(target[key]))
                        target[key] = {}
                    if (isArray(source[key]) && !isArray(target[key]))
                        target[key] = []
                    extend(target[key], source[key], deep)
                }
                else if (source[key] !== undefined) target[key] = source[key]
        }

        // Copy all but undefined properties from one or more
        // objects to the `target` object.
        $.extend = function(target){
            var deep, args = slice.call(arguments, 1)
            if (typeof target == 'boolean') {
                deep = target
                target = args.shift()
            }
            args.forEach(function(arg){ extend(target, arg, deep) })
            return target
        }

        // `$.zepto.qsa` is Zepto's CSS selector implementation which
        // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
        // This method can be overriden in plugins.
        zepto.qsa = function(element, selector){
            var found,
                maybeID = selector[0] == '#',
                maybeClass = !maybeID && selector[0] == '.',
                nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
                isSimple = simpleSelectorRE.test(nameOnly)
            return (isDocument(element) && isSimple && maybeID) ?
                ( (found = element.getElementById(nameOnly)) ? [found] : [] ) :
                (element.nodeType !== 1 && element.nodeType !== 9) ? [] :
                    slice.call(
                        isSimple && !maybeID ?
                            maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class
                                element.getElementsByTagName(selector) : // Or a tag
                            element.querySelectorAll(selector) // Or it's not simple, and we need to query all
                    )
        }

        function filtered(nodes, selector) {
            return selector == null ? $(nodes) : $(nodes).filter(selector)
        }

        $.contains = function(parent, node) {
            return parent !== node && parent.contains(node)
        }

        function funcArg(context, arg, idx, payload) {
            return isFunction(arg) ? arg.call(context, idx, payload) : arg
        }

        function setAttribute(node, name, value) {
            value == null ? node.removeAttribute(name) : node.setAttribute(name, value)
        }

        // access className property while respecting SVGAnimatedString
        function className(node, value){
            var klass = node.className,
                svg   = klass && klass.baseVal !== undefined

            if (value === undefined) return svg ? klass.baseVal : klass
            svg ? (klass.baseVal = value) : (node.className = value)
        }

        // "true"  => true
        // "false" => false
        // "null"  => null
        // "42"    => 42
        // "42.5"  => 42.5
        // "08"    => "08"
        // JSON    => parse if valid
        // String  => self
        function deserializeValue(value) {
            var num
            try {
                return value ?
                    value == "true" ||
                        ( value == "false" ? false :
                            value == "null" ? null :
                                !/^0/.test(value) && !isNaN(num = Number(value)) ? num :
                                    /^[\[\{]/.test(value) ? $.parseJSON(value) :
                                        value )
                    : value
            } catch(e) {
                return value
            }
        }

        $.type = type
        $.isFunction = isFunction
        $.isWindow = isWindow
        $.isArray = isArray
        $.isPlainObject = isPlainObject

        $.isEmptyObject = function(obj) {
            var name
            for (name in obj) return false
            return true
        }

        $.inArray = function(elem, array, i){
            return emptyArray.indexOf.call(array, elem, i)
        }

        $.camelCase = camelize
        $.trim = function(str) {
            return str == null ? "" : String.prototype.trim.call(str)
        }

        // plugin compatibility
        $.uuid = 0
        $.support = { }
        $.expr = { }

        $.map = function(elements, callback){
            var value, values = [], i, key
            if (likeArray(elements))
                for (i = 0; i < elements.length; i++) {
                    value = callback(elements[i], i)
                    if (value != null) values.push(value)
                }
            else
                for (key in elements) {
                    value = callback(elements[key], key)
                    if (value != null) values.push(value)
                }
            return flatten(values)
        }

        $.each = function(elements, callback){
            var i, key
            if (likeArray(elements)) {
                for (i = 0; i < elements.length; i++)
                    if (callback.call(elements[i], i, elements[i]) === false) return elements
            } else {
                for (key in elements)
                    if (callback.call(elements[key], key, elements[key]) === false) return elements
            }

            return elements
        }

        $.grep = function(elements, callback){
            return filter.call(elements, callback)
        }

        if (window.JSON) $.parseJSON = JSON.parse

        // Populate the class2type map
        $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
            class2type[ "[object " + name + "]" ] = name.toLowerCase()
        })

        // Define methods that will be available on all
        // Zepto collections
        $.fn = {
            // Because a collection acts like an array
            // copy over these useful array functions.
            forEach: emptyArray.forEach,
            reduce: emptyArray.reduce,
            push: emptyArray.push,
            sort: emptyArray.sort,
            indexOf: emptyArray.indexOf,
            concat: emptyArray.concat,

            // `map` and `slice` in the jQuery API work differently
            // from their array counterparts
            map: function(fn){
                return $($.map(this, function(el, i){ return fn.call(el, i, el) }))
            },
            slice: function(){
                return $(slice.apply(this, arguments))
            },

            ready: function(callback){
                // need to check if document.body exists for IE as that browser reports
                // document ready when it hasn't yet created the body element
                if (readyRE.test(document.readyState) && document.body) callback($)
                else document.addEventListener('DOMContentLoaded', function(){ callback($) }, false)
                return this
            },
            get: function(idx){
                return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
            },
            toArray: function(){ return this.get() },
            size: function(){
                return this.length
            },
            remove: function(){
                return this.each(function(){
                    if (this.parentNode != null)
                        this.parentNode.removeChild(this)
                })
            },
            each: function(callback){
                emptyArray.every.call(this, function(el, idx){
                    return callback.call(el, idx, el) !== false
                })
                return this
            },
            filter: function(selector){
                if (isFunction(selector)) return this.not(this.not(selector))
                return $(filter.call(this, function(element){
                    return zepto.matches(element, selector)
                }))
            },
            add: function(selector,context){
                return $(uniq(this.concat($(selector,context))))
            },
            is: function(selector){
                return this.length > 0 && zepto.matches(this[0], selector)
            },
            not: function(selector){
                var nodes=[]
                if (isFunction(selector) && selector.call !== undefined)
                    this.each(function(idx){
                        if (!selector.call(this,idx)) nodes.push(this)
                    })
                else {
                    var excludes = typeof selector == 'string' ? this.filter(selector) :
                        (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)
                    this.forEach(function(el){
                        if (excludes.indexOf(el) < 0) nodes.push(el)
                    })
                }
                return $(nodes)
            },
            has: function(selector){
                return this.filter(function(){
                    return isObject(selector) ?
                        $.contains(this, selector) :
                        $(this).find(selector).size()
                })
            },
            eq: function(idx){
                return idx === -1 ? this.slice(idx) : this.slice(idx, + idx + 1)
            },
            first: function(){
                var el = this[0]
                return el && !isObject(el) ? el : $(el)
            },
            last: function(){
                var el = this[this.length - 1]
                return el && !isObject(el) ? el : $(el)
            },
            find: function(selector){
                var result, $this = this
                if (typeof selector == 'object')
                    result = $(selector).filter(function(){
                        var node = this
                        return emptyArray.some.call($this, function(parent){
                            return $.contains(parent, node)
                        })
                    })
                else if (this.length == 1) result = $(zepto.qsa(this[0], selector))
                else result = this.map(function(){ return zepto.qsa(this, selector) })
                return result
            },
            closest: function(selector, context){
                var node = this[0], collection = false
                if (typeof selector == 'object') collection = $(selector)
                while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
                    node = node !== context && !isDocument(node) && node.parentNode
                return $(node)
            },
            parents: function(selector){
                var ancestors = [], nodes = this
                while (nodes.length > 0)
                    nodes = $.map(nodes, function(node){
                        if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {
                            ancestors.push(node)
                            return node
                        }
                    })
                return filtered(ancestors, selector)
            },
            parent: function(selector){
                return filtered(uniq(this.pluck('parentNode')), selector)
            },
            children: function(selector){
                return filtered(this.map(function(){ return children(this) }), selector)
            },
            contents: function() {
                return this.map(function() { return slice.call(this.childNodes) })
            },
            siblings: function(selector){
                return filtered(this.map(function(i, el){
                    return filter.call(children(el.parentNode), function(child){ return child!==el })
                }), selector)
            },
            empty: function(){
                return this.each(function(){ this.innerHTML = '' })
            },
            // `pluck` is borrowed from Prototype.js
            pluck: function(property){
                return $.map(this, function(el){ return el[property] })
            },
            show: function(){
                return this.each(function(){
                    this.style.display == "none" && (this.style.display = '')
                    if (getComputedStyle(this, '').getPropertyValue("display") == "none")
                        this.style.display = defaultDisplay(this.nodeName)
                })
            },
            replaceWith: function(newContent){
                return this.before(newContent).remove()
            },
            wrap: function(structure){
                var func = isFunction(structure)
                if (this[0] && !func)
                    var dom   = $(structure).get(0),
                        clone = dom.parentNode || this.length > 1

                return this.each(function(index){
                    $(this).wrapAll(
                        func ? structure.call(this, index) :
                            clone ? dom.cloneNode(true) : dom
                    )
                })
            },
            wrapAll: function(structure){
                if (this[0]) {
                    $(this[0]).before(structure = $(structure))
                    var children
                    // drill down to the inmost element
                    while ((children = structure.children()).length) structure = children.first()
                    $(structure).append(this)
                }
                return this
            },
            wrapInner: function(structure){
                var func = isFunction(structure)
                return this.each(function(index){
                    var self = $(this), contents = self.contents(),
                        dom  = func ? structure.call(this, index) : structure
                    contents.length ? contents.wrapAll(dom) : self.append(dom)
                })
            },
            unwrap: function(){
                this.parent().each(function(){
                    $(this).replaceWith($(this).children())
                })
                return this
            },
            clone: function(){
                return this.map(function(){ return this.cloneNode(true) })
            },
            hide: function(){
                return this.css("display", "none")
            },
            toggle: function(setting){
                return this.each(function(){
                    var el = $(this)
                        ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide()
                })
            },
            prev: function(selector){ return $(this.pluck('previousElementSibling')).filter(selector || '*') },
            next: function(selector){ return $(this.pluck('nextElementSibling')).filter(selector || '*') },
            html: function(html){
                return arguments.length === 0 ?
                    (this.length > 0 ? this[0].innerHTML : null) :
                    this.each(function(idx){
                        var originHtml = this.innerHTML
                        $(this).empty().append( funcArg(this, html, idx, originHtml) )
                    })
            },
            text: function(text){
                return arguments.length === 0 ?
                    (this.length > 0 ? this[0].textContent : null) :
                    this.each(function(){ this.textContent = (text === undefined) ? '' : ''+text })
            },
            attr: function(name, value){
                var result
                return (typeof name == 'string' && value === undefined) ?
                    (this.length == 0 || this[0].nodeType !== 1 ? undefined :
                        (name == 'value' && this[0].nodeName == 'INPUT') ? this.val() :
                            (!(result = this[0].getAttribute(name)) && name in this[0]) ? this[0][name] : result
                        ) :
                    this.each(function(idx){
                        if (this.nodeType !== 1) return
                        if (isObject(name)) for (key in name) setAttribute(this, key, name[key])
                        else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))
                    })
            },
            removeAttr: function(name){
                return this.each(function(){ this.nodeType === 1 && setAttribute(this, name) })
            },
            prop: function(name, value){
                name = propMap[name] || name
                return (value === undefined) ?
                    (this[0] && this[0][name]) :
                    this.each(function(idx){
                        this[name] = funcArg(this, value, idx, this[name])
                    })
            },
            data: function(name, value){
                var data = this.attr('data-' + name.replace(capitalRE, '-$1').toLowerCase(), value)
                return data !== null ? deserializeValue(data) : undefined
            },
            val: function(value){
                return arguments.length === 0 ?
                    (this[0] && (this[0].multiple ?
                        $(this[0]).find('option').filter(function(){ return this.selected }).pluck('value') :
                        this[0].value)
                        ) :
                    this.each(function(idx){
                        this.value = funcArg(this, value, idx, this.value)
                    })
            },
            offset: function(coordinates){
                if (coordinates) return this.each(function(index){
                    var $this = $(this),
                        coords = funcArg(this, coordinates, index, $this.offset()),
                        parentOffset = $this.offsetParent().offset(),
                        props = {
                            top:  coords.top  - parentOffset.top,
                            left: coords.left - parentOffset.left
                        }

                    if ($this.css('position') == 'static') props['position'] = 'relative'
                    $this.css(props)
                })
                if (this.length==0) return null
                var obj = this[0].getBoundingClientRect()
                return {
                    left: obj.left + window.pageXOffset,
                    top: obj.top + window.pageYOffset,
                    width: Math.round(obj.width),
                    height: Math.round(obj.height)
                }
            },
            css: function(property, value){
                if (arguments.length < 2) {
                    var element = this[0], computedStyle = getComputedStyle(element, '')
                    if(!element) return
                    if (typeof property == 'string')
                        return element.style[camelize(property)] || computedStyle.getPropertyValue(property)
                    else if (isArray(property)) {
                        var props = {}
                        $.each(isArray(property) ? property: [property], function(_, prop){
                            props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))
                        })
                        return props
                    }
                }

                var css = ''
                if (type(property) == 'string') {
                    if (!value && value !== 0)
                        this.each(function(){ this.style.removeProperty(dasherize(property)) })
                    else
                        css = dasherize(property) + ":" + maybeAddPx(property, value)
                } else {
                    for (key in property)
                        if (!property[key] && property[key] !== 0)
                            this.each(function(){ this.style.removeProperty(dasherize(key)) })
                        else
                            css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
                }

                return this.each(function(){ this.style.cssText += ';' + css })
            },
            index: function(element){
                return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])
            },
            hasClass: function(name){
                if (!name) return false
                return emptyArray.some.call(this, function(el){
                    return this.test(className(el))
                }, classRE(name))
            },
            addClass: function(name){
                if (!name) return this
                return this.each(function(idx){
                    classList = []
                    var cls = className(this), newName = funcArg(this, name, idx, cls)
                    newName.split(/\s+/g).forEach(function(klass){
                        if (!$(this).hasClass(klass)) classList.push(klass)
                    }, this)
                    classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))
                })
            },
            removeClass: function(name){
                return this.each(function(idx){
                    if (name === undefined) return className(this, '')
                    classList = className(this)
                    funcArg(this, name, idx, classList).split(/\s+/g).forEach(function(klass){
                        classList = classList.replace(classRE(klass), " ")
                    })
                    className(this, classList.trim())
                })
            },
            toggleClass: function(name, when){
                if (!name) return this
                return this.each(function(idx){
                    var $this = $(this), names = funcArg(this, name, idx, className(this))
                    names.split(/\s+/g).forEach(function(klass){
                        (when === undefined ? !$this.hasClass(klass) : when) ?
                            $this.addClass(klass) : $this.removeClass(klass)
                    })
                })
            },
            scrollTop: function(value){
                if (!this.length) return
                var hasScrollTop = 'scrollTop' in this[0]
                if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset
                return this.each(hasScrollTop ?
                    function(){ this.scrollTop = value } :
                    function(){ this.scrollTo(this.scrollX, value) })
            },
            scrollLeft: function(value){
                if (!this.length) return
                var hasScrollLeft = 'scrollLeft' in this[0]
                if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset
                return this.each(hasScrollLeft ?
                    function(){ this.scrollLeft = value } :
                    function(){ this.scrollTo(value, this.scrollY) })
            },
            position: function() {
                if (!this.length) return

                var elem = this[0],
                // Get *real* offsetParent
                    offsetParent = this.offsetParent(),
                // Get correct offsets
                    offset       = this.offset(),
                    parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset()

                // Subtract element margins
                // note: when an element has margin: auto the offsetLeft and marginLeft
                // are the same in Safari causing offset.left to incorrectly be 0
                offset.top  -= parseFloat( $(elem).css('margin-top') ) || 0
                offset.left -= parseFloat( $(elem).css('margin-left') ) || 0

                // Add offsetParent borders
                parentOffset.top  += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0
                parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0

                // Subtract the two offsets
                return {
                    top:  offset.top  - parentOffset.top,
                    left: offset.left - parentOffset.left
                }
            },
            offsetParent: function() {
                return this.map(function(){
                    var parent = this.offsetParent || document.body
                    while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
                        parent = parent.offsetParent
                    return parent
                })
            }
        }

        // for now
        $.fn.detach = $.fn.remove

            // Generate the `width` and `height` functions
        ;['width', 'height'].forEach(function(dimension){
            var dimensionProperty =
                dimension.replace(/./, function(m){ return m[0].toUpperCase() })

            $.fn[dimension] = function(value){
                var offset, el = this[0]
                if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :
                    isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :
                        (offset = this.offset()) && offset[dimension]
                else return this.each(function(idx){
                    el = $(this)
                    el.css(dimension, funcArg(this, value, idx, el[dimension]()))
                })
            }
        })

        function traverseNode(node, fun) {
            fun(node)
            for (var key in node.childNodes) traverseNode(node.childNodes[key], fun)
        }

        // Generate the `after`, `prepend`, `before`, `append`,
        // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
        adjacencyOperators.forEach(function(operator, operatorIndex) {
            var inside = operatorIndex % 2 //=> prepend, append

            $.fn[operator] = function(){
                // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
                var argType, nodes = $.map(arguments, function(arg) {
                        argType = type(arg)
                        return argType == "object" || argType == "array" || arg == null ?
                            arg : zepto.fragment(arg)
                    }),
                    parent, copyByClone = this.length > 1
                if (nodes.length < 1) return this

                return this.each(function(_, target){
                    parent = inside ? target : target.parentNode

                    // convert all methods to a "before" operation
                    target = operatorIndex == 0 ? target.nextSibling :
                        operatorIndex == 1 ? target.firstChild :
                            operatorIndex == 2 ? target :
                                null

                    nodes.forEach(function(node){
                        if (copyByClone) node = node.cloneNode(true)
                        else if (!parent) return $(node).remove()

                        traverseNode(parent.insertBefore(node, target), function(el){
                            if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&
                                (!el.type || el.type === 'text/javascript') && !el.src)
                                window['eval'].call(window, el.innerHTML)
                        })
                    })
                })
            }

            // after    => insertAfter
            // prepend  => prependTo
            // before   => insertBefore
            // append   => appendTo
            $.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] = function(html){
                $(html)[operator](this)
                return this
            }
        })

        zepto.Z.prototype = $.fn

        // Export internal API functions in the `$.zepto` namespace
        zepto.uniq = uniq
        zepto.deserializeValue = deserializeValue
        $.zepto = zepto

        return $
    })()

    window.Zepto = Zepto
    window.$ === undefined && (window.$ = Zepto)

    ;(function($){
        var _zid = 1, undefined,
            slice = Array.prototype.slice,
            isFunction = $.isFunction,
            isString = function(obj){ return typeof obj == 'string' },
            handlers = {},
            specialEvents={},
            focusinSupported = 'onfocusin' in window,
            focus = { focus: 'focusin', blur: 'focusout' },
            hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' }

        specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'

        function zid(element) {
            return element._zid || (element._zid = _zid++)
        }
        function findHandlers(element, event, fn, selector) {
            event = parse(event)
            if (event.ns) var matcher = matcherFor(event.ns)
            return (handlers[zid(element)] || []).filter(function(handler) {
                return handler
                    && (!event.e  || handler.e == event.e)
                    && (!event.ns || matcher.test(handler.ns))
                    && (!fn       || zid(handler.fn) === zid(fn))
                    && (!selector || handler.sel == selector)
            })
        }
        function parse(event) {
            var parts = ('' + event).split('.')
            return {e: parts[0], ns: parts.slice(1).sort().join(' ')}
        }
        function matcherFor(ns) {
            return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')
        }

        function eventCapture(handler, captureSetting) {
            return handler.del &&
                (!focusinSupported && (handler.e in focus)) ||
                !!captureSetting
        }

        function realEvent(type) {
            return hover[type] || (focusinSupported && focus[type]) || type
        }

        function add(element, events, fn, data, selector, delegator, capture){
            var id = zid(element), set = (handlers[id] || (handlers[id] = []))
            events.split(/\s/).forEach(function(event){
                if (event == 'ready') return $(document).ready(fn)
                var handler   = parse(event)
                handler.fn    = fn
                handler.sel   = selector
                // emulate mouseenter, mouseleave
                if (handler.e in hover) fn = function(e){
                    var related = e.relatedTarget
                    if (!related || (related !== this && !$.contains(this, related)))
                        return handler.fn.apply(this, arguments)
                }
                handler.del   = delegator
                var callback  = delegator || fn
                handler.proxy = function(e){
                    e = compatible(e)
                    if (e.isImmediatePropagationStopped()) return
                    e.data = data
                    var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))
                    if (result === false) e.preventDefault(), e.stopPropagation()
                    return result
                }
                handler.i = set.length
                set.push(handler)
                if ('addEventListener' in element)
                    element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
            })
        }
        function remove(element, events, fn, selector, capture){
            var id = zid(element)
                ;(events || '').split(/\s/).forEach(function(event){
                findHandlers(element, event, fn, selector).forEach(function(handler){
                    delete handlers[id][handler.i]
                    if ('removeEventListener' in element)
                        element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
                })
            })
        }

        $.event = { add: add, remove: remove }

        $.proxy = function(fn, context) {
            if (isFunction(fn)) {
                var proxyFn = function(){ return fn.apply(context, arguments) }
                proxyFn._zid = zid(fn)
                return proxyFn
            } else if (isString(context)) {
                return $.proxy(fn[context], fn)
            } else {
                throw new TypeError("expected function")
            }
        }

        $.fn.bind = function(event, data, callback){
            return this.on(event, data, callback)
        }
        $.fn.unbind = function(event, callback){
            return this.off(event, callback)
        }
        $.fn.one = function(event, selector, data, callback){
            return this.on(event, selector, data, callback, 1)
        }

        var returnTrue = function(){return true},
            returnFalse = function(){return false},
            ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/,
            eventMethods = {
                preventDefault: 'isDefaultPrevented',
                stopImmediatePropagation: 'isImmediatePropagationStopped',
                stopPropagation: 'isPropagationStopped'
            }

        function compatible(event, source) {
            if (source || !event.isDefaultPrevented) {
                source || (source = event)

                $.each(eventMethods, function(name, predicate) {
                    var sourceMethod = source[name]
                    event[name] = function(){
                        this[predicate] = returnTrue
                        return sourceMethod && sourceMethod.apply(source, arguments)
                    }
                    event[predicate] = returnFalse
                })

                if (source.defaultPrevented !== undefined ? source.defaultPrevented :
                    'returnValue' in source ? source.returnValue === false :
                        source.getPreventDefault && source.getPreventDefault())
                    event.isDefaultPrevented = returnTrue
            }
            return event
        }

        function createProxy(event) {
            var key, proxy = { originalEvent: event }
            for (key in event)
                if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]

            return compatible(proxy, event)
        }

        $.fn.delegate = function(selector, event, callback){
            return this.on(event, selector, callback)
        }
        $.fn.undelegate = function(selector, event, callback){
            return this.off(event, selector, callback)
        }

        $.fn.live = function(event, callback){
            $(document.body).delegate(this.selector, event, callback)
            return this
        }
        $.fn.die = function(event, callback){
            $(document.body).undelegate(this.selector, event, callback)
            return this
        }

        $.fn.on = function(event, selector, data, callback, one){
            var autoRemove, delegator, $this = this
            if (event && !isString(event)) {
                $.each(event, function(type, fn){
                    $this.on(type, selector, data, fn, one)
                })
                return $this
            }

            if (!isString(selector) && !isFunction(callback) && callback !== false)
                callback = data, data = selector, selector = undefined
            if (isFunction(data) || data === false)
                callback = data, data = undefined

            if (callback === false) callback = returnFalse

            return $this.each(function(_, element){
                if (one) autoRemove = function(e){
                    remove(element, e.type, callback)
                    return callback.apply(this, arguments)
                }

                if (selector) delegator = function(e){
                    var evt, match = $(e.target).closest(selector, element).get(0)
                    if (match && match !== element) {
                        evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element})
                        return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))
                    }
                }

                add(element, event, callback, data, selector, delegator || autoRemove)
            })
        }
        $.fn.off = function(event, selector, callback){
            var $this = this
            if (event && !isString(event)) {
                $.each(event, function(type, fn){
                    $this.off(type, selector, fn)
                })
                return $this
            }

            if (!isString(selector) && !isFunction(callback) && callback !== false)
                callback = selector, selector = undefined

            if (callback === false) callback = returnFalse

            return $this.each(function(){
                remove(this, event, callback, selector)
            })
        }

        $.fn.trigger = function(event, args){
            event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)
            event._args = args
            return this.each(function(){
                // items in the collection might not be DOM elements
                if('dispatchEvent' in this) this.dispatchEvent(event)
                else $(this).triggerHandler(event, args)
            })
        }

        // triggers event handlers on current element just as if an event occurred,
        // doesn't trigger an actual event, doesn't bubble
        $.fn.triggerHandler = function(event, args){
            var e, result
            this.each(function(i, element){
                e = createProxy(isString(event) ? $.Event(event) : event)
                e._args = args
                e.target = element
                $.each(findHandlers(element, event.type || event), function(i, handler){
                    result = handler.proxy(e)
                    if (e.isImmediatePropagationStopped()) return false
                })
            })
            return result
        }

            // shortcut methods for `.bind(event, fn)` for each event type
        ;('focusin focusout load resize scroll unload click dblclick '+
            'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+
            'change select keydown keypress keyup error').split(' ').forEach(function(event) {
                $.fn[event] = function(callback) {
                    return callback ?
                        this.bind(event, callback) :
                        this.trigger(event)
                }
            })

        ;['focus', 'blur'].forEach(function(name) {
            $.fn[name] = function(callback) {
                if (callback) this.bind(name, callback)
                else this.each(function(){
                    try { this[name]() }
                    catch(e) {}
                })
                return this
            }
        })

        $.Event = function(type, props) {
            if (!isString(type)) props = type, type = props.type
            var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true
            if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
            event.initEvent(type, bubbles, true)
            return compatible(event)
        }

    })(Zepto)

    ;(function($){
        var jsonpID = 0,
            document = window.document,
            key,
            name,
            rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
            scriptTypeRE = /^(?:text|application)\/javascript/i,
            xmlTypeRE = /^(?:text|application)\/xml/i,
            jsonType = 'application/json',
            htmlType = 'text/html',
            blankRE = /^\s*$/;

        // trigger a custom event and return false if it was cancelled
        function triggerAndReturn(context, eventName, data) {
            var event = $.Event(eventName)
            $(context).trigger(event, data)
            return !event.isDefaultPrevented()
        }

        // trigger an Ajax "global" event
        function triggerGlobal(settings, context, eventName, data) {
            if (settings.global) return triggerAndReturn(context || document, eventName, data)
        }

        // Number of active Ajax requests
        $.active = 0

        function ajaxStart(settings) {
            if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')
        }
        function ajaxStop(settings) {
            if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')
        }

        // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
        function ajaxBeforeSend(xhr, settings) {
            var context = settings.context
            if (settings.beforeSend.call(context, xhr, settings) === false ||
                triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)
                return false

            triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])
        }
        function ajaxSuccess(data, xhr, settings, deferred) {
            var context = settings.context, status = 'success'
            settings.success.call(context, data, status, xhr)
            if (deferred) deferred.resolveWith(context, [data, status, xhr])
            triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])
            ajaxComplete(status, xhr, settings)
        }
        // type: "timeout", "error", "abort", "parsererror"
        function ajaxError(error, type, xhr, settings, deferred) {
            var context = settings.context
            settings.error.call(context, xhr, type, error)
            if (deferred) deferred.rejectWith(context, [xhr, type, error])
            triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])
            ajaxComplete(type, xhr, settings)
        }
        // status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
        function ajaxComplete(status, xhr, settings) {
            var context = settings.context
            settings.complete.call(context, xhr, status)
            triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])
            ajaxStop(settings)
        }

        // Empty function, used as default callback
        function empty() {}

        $.ajaxJSONP = function(options, deferred){
            if (!('type' in options)) return $.ajax(options)

            var _callbackName = options.jsonpCallback,
                callbackName = ($.isFunction(_callbackName) ?
                    _callbackName() : _callbackName) || ('jsonp' + (++jsonpID)),
                script = document.createElement('script'),
                originalCallback = window[callbackName],
                responseData,
                abort = function(errorType) {
                    $(script).triggerHandler('error', errorType || 'abort')
                },
                xhr = { abort: abort }, abortTimeout

            if (deferred) deferred.promise(xhr)

            $(script).on('load error', function(e, errorType){
                clearTimeout(abortTimeout)
                $(script).off().remove()

                if (e.type == 'error' || !responseData) {
                    ajaxError(null, errorType || 'error', xhr, options, deferred)
                } else {
                    ajaxSuccess(responseData[0], xhr, options, deferred)
                }

                window[callbackName] = originalCallback
                if (responseData && $.isFunction(originalCallback))
                    originalCallback(responseData[0])

                originalCallback = responseData = undefined
            })

            if (ajaxBeforeSend(xhr, options) === false) {
                abort('abort')
                return xhr
            }

            window[callbackName] = function(){
                responseData = arguments
            }

            script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)
            document.head.appendChild(script)

            if (options.timeout > 0) abortTimeout = setTimeout(function(){
                abort('timeout')
            }, options.timeout)

            return xhr
        }

        $.ajaxSettings = {
            // Default type of request
            type: 'GET',
            // Callback that is executed before request
            beforeSend: empty,
            // Callback that is executed if the request succeeds
            success: empty,
            // Callback that is executed the the server drops error
            error: empty,
            // Callback that is executed on request complete (both: error and success)
            complete: empty,
            // The context for the callbacks
            context: null,
            // Whether to trigger "global" Ajax events
            global: true,
            // Transport
            xhr: function () {
                return new window.XMLHttpRequest()
            },
            // MIME types mapping
            // IIS returns Javascript as "application/x-javascript"
            accepts: {
                script: 'text/javascript, application/javascript, application/x-javascript',
                json:   jsonType,
                xml:    'application/xml, text/xml',
                html:   htmlType,
                text:   'text/plain'
            },
            // Whether the request is to another domain
            crossDomain: false,
            // Default timeout
            timeout: 0,
            // Whether data should be serialized to string
            processData: true,
            // Whether the browser should be allowed to cache GET responses
            cache: true
        }

        function mimeToDataType(mime) {
            if (mime) mime = mime.split(';', 2)[0]
            return mime && ( mime == htmlType ? 'html' :
                mime == jsonType ? 'json' :
                    scriptTypeRE.test(mime) ? 'script' :
                        xmlTypeRE.test(mime) && 'xml' ) || 'text'
        }

        function appendQuery(url, query) {
            if (query == '') return url
            return (url + '&' + query).replace(/[&?]{1,2}/, '?')
        }

        // serialize payload and append it to the URL for GET requests
        function serializeData(options) {
            if (options.processData && options.data && $.type(options.data) != "string")
                options.data = $.param(options.data, options.traditional)
            if (options.data && (!options.type || options.type.toUpperCase() == 'GET'))
                options.url = appendQuery(options.url, options.data), options.data = undefined
        }

        $.ajax = function(options){
            var settings = $.extend({}, options || {}),
                deferred = $.Deferred && $.Deferred()
            for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]

            ajaxStart(settings)

            if (!settings.crossDomain) settings.crossDomain = /^([\w-]+:)?\/\/([^\/]+)/.test(settings.url) &&
                RegExp.$2 != window.location.host

            if (!settings.url) settings.url = window.location.toString()
            serializeData(settings)
            if (settings.cache === false) settings.url = appendQuery(settings.url, '_=' + Date.now())

            var dataType = settings.dataType, hasPlaceholder = /\?.+=\?/.test(settings.url)
            if (dataType == 'jsonp' || hasPlaceholder) {
                if (!hasPlaceholder)
                    settings.url = appendQuery(settings.url,
                        settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')
                return $.ajaxJSONP(settings, deferred)
            }

            var mime = settings.accepts[dataType],
                headers = { },
                setHeader = function(name, value) { headers[name.toLowerCase()] = [name, value] },
                protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,
                xhr = settings.xhr(),
                nativeSetHeader = xhr.setRequestHeader,
                abortTimeout

            if (deferred) deferred.promise(xhr)

            if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')
            setHeader('Accept', mime || '*/*')
            if (mime = settings.mimeType || mime) {
                if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]
                xhr.overrideMimeType && xhr.overrideMimeType(mime)
            }
            if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))
                setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')

            if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name])
            xhr.setRequestHeader = setHeader

            xhr.onreadystatechange = function(){
                if (xhr.readyState == 4) {
                    xhr.onreadystatechange = empty
                    clearTimeout(abortTimeout)
                    var result, error = false
                    if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {
                        dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))
                        result = xhr.responseText

                        try {
                            // http://perfectionkills.com/global-eval-what-are-the-options/
                            if (dataType == 'script')    (1,eval)(result)
                            else if (dataType == 'xml')  result = xhr.responseXML
                            else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)
                        } catch (e) { error = e }

                        if (error) ajaxError(error, 'parsererror', xhr, settings, deferred)
                        else ajaxSuccess(result, xhr, settings, deferred)
                    } else {
                        ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)
                    }
                }
            }

            if (ajaxBeforeSend(xhr, settings) === false) {
                xhr.abort()
                ajaxError(null, 'abort', xhr, settings, deferred)
                return xhr
            }

            if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]

            var async = 'async' in settings ? settings.async : true
            xhr.open(settings.type, settings.url, async, settings.username, settings.password)
            // xhr.withCredentials = true

            for (name in headers) nativeSetHeader.apply(xhr, headers[name])

            if (settings.timeout > 0) abortTimeout = setTimeout(function(){
                xhr.onreadystatechange = empty
                xhr.abort()
                ajaxError(null, 'timeout', xhr, settings, deferred)
            }, settings.timeout)

            // avoid sending empty string (#319)
            xhr.send(settings.data ? settings.data : null)
            return xhr
        }

        // handle optional data/success arguments
        function parseArguments(url, data, success, dataType) {
            if ($.isFunction(data)) dataType = success, success = data, data = undefined
            if (!$.isFunction(success)) dataType = success, success = undefined
            return {
                url: url
                , data: data
                , success: success
                , dataType: dataType
            }
        }

        $.get = function(/* url, data, success, dataType */){
            return $.ajax(parseArguments.apply(null, arguments))
        }

        $.post = function(/* url, data, success, dataType */){
            var options = parseArguments.apply(null, arguments)
            options.type = 'POST'
            return $.ajax(options)
        }

        $.getJSON = function(/* url, data, success */){
            var options = parseArguments.apply(null, arguments)
            options.dataType = 'json'
            return $.ajax(options)
        }

        $.fn.load = function(url, data, success){
            if (!this.length) return this
            var self = this, parts = url.split(/\s/), selector,
                options = parseArguments(url, data, success),
                callback = options.success
            if (parts.length > 1) options.url = parts[0], selector = parts[1]
            options.success = function(response){
                self.html(selector ?
                    $('<div>').html(response.replace(rscript, "")).find(selector)
                    : response)
                callback && callback.apply(self, arguments)
            }
            $.ajax(options)
            return this
        }

        var escape = encodeURIComponent

        function serialize(params, obj, traditional, scope){
            var type, array = $.isArray(obj), hash = $.isPlainObject(obj)
            $.each(obj, function(key, value) {
                type = $.type(value)
                if (scope) key = traditional ? scope :
                    scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
                // handle data in serializeArray() format
                if (!scope && array) params.add(value.name, value.value)
                // recurse into nested objects
                else if (type == "array" || (!traditional && type == "object"))
                    serialize(params, value, traditional, key)
                else params.add(key, value)
            })
        }

        $.param = function(obj, traditional){
            var params = []
            params.add = function(k, v){ this.push(escape(k) + '=' + escape(v)) }
            serialize(params, obj, traditional)
            return params.join('&').replace(/%20/g, '+')
        }
    })(Zepto)

    ;(function($){
        $.fn.serializeArray = function() {
            var result = [], el
            $([].slice.call(this.get(0).elements)).each(function(){
                el = $(this)
                var type = el.attr('type')
                if (this.nodeName.toLowerCase() != 'fieldset' &&
                    !this.disabled && type != 'submit' && type != 'reset' && type != 'button' &&
                    ((type != 'radio' && type != 'checkbox') || this.checked))
                    result.push({
                        name: el.attr('name'),
                        value: el.val()
                    })
            })
            return result
        }

        $.fn.serialize = function(){
            var result = []
            this.serializeArray().forEach(function(elm){
                result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))
            })
            return result.join('&')
        }

        $.fn.submit = function(callback) {
            if (callback) this.bind('submit', callback)
            else if (this.length) {
                var event = $.Event('submit')
                this.eq(0).trigger(event)
                if (!event.isDefaultPrevented()) this.get(0).submit()
            }
            return this
        }

    })(Zepto)

    ;(function($){
        function detect(ua){
            var os = this.os = {}, browser = this.browser = {},
                webkit = ua.match(/Web[kK]it[\/]{0,1}([\d.]+)/),
                android = ua.match(/(Android);?[\s\/]+([\d.]+)?/),
                osx = !!ua.match(/\(Macintosh\; Intel /),
                ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
                ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/),
                iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
                webos = ua.match(/(webOS|hpwOS)[\s\/]([\d.]+)/),
                touchpad = webos && ua.match(/TouchPad/),
                kindle = ua.match(/Kindle\/([\d.]+)/),
                silk = ua.match(/Silk\/([\d._]+)/),
                blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/),
                bb10 = ua.match(/(BB10).*Version\/([\d.]+)/),
                rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/),
                playbook = ua.match(/PlayBook/),
                chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/),
                firefox = ua.match(/Firefox\/([\d.]+)/),
                ie = ua.match(/MSIE\s([\d.]+)/) || ua.match(/Trident\/[\d](?=[^\?]+).*rv:([0-9.].)/),
                webview = !chrome && ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
                safari = webview || ua.match(/Version\/([\d.]+)([^S](Safari)|[^M]*(Mobile)[^S]*(Safari))/)

            // Todo: clean this up with a better OS/browser seperation:
            // - discern (more) between multiple browsers on android
            // - decide if kindle fire in silk mode is android or not
            // - Firefox on Android doesn't specify the Android version
            // - possibly devide in os, device and browser hashes

            if (browser.webkit = !!webkit) browser.version = webkit[1]

            if (android) os.android = true, os.version = android[2]
            if (iphone && !ipod) os.ios = os.iphone = true, os.version = iphone[2].replace(/_/g, '.')
            if (ipad) os.ios = os.ipad = true, os.version = ipad[2].replace(/_/g, '.')
            if (ipod) os.ios = os.ipod = true, os.version = ipod[3] ? ipod[3].replace(/_/g, '.') : null
            if (webos) os.webos = true, os.version = webos[2]
            if (touchpad) os.touchpad = true
            if (blackberry) os.blackberry = true, os.version = blackberry[2]
            if (bb10) os.bb10 = true, os.version = bb10[2]
            if (rimtabletos) os.rimtabletos = true, os.version = rimtabletos[2]
            if (playbook) browser.playbook = true
            if (kindle) os.kindle = true, os.version = kindle[1]
            if (silk) browser.silk = true, browser.version = silk[1]
            if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true
            if (chrome) browser.chrome = true, browser.version = chrome[1]
            if (firefox) browser.firefox = true, browser.version = firefox[1]
            if (ie) browser.ie = true, browser.version = ie[1]
            if (safari && (osx || os.ios)) {browser.safari = true; if (osx) browser.version = safari[1]}
            if (webview) browser.webview = true

            os.tablet = !!(ipad || playbook || (android && !ua.match(/Mobile/)) ||
                (firefox && ua.match(/Tablet/)) || (ie && !ua.match(/Phone/) && ua.match(/Touch/)))
            os.phone  = !!(!os.tablet && !os.ipod && (android || iphone || webos || blackberry || bb10 ||
                (chrome && ua.match(/Android/)) || (chrome && ua.match(/CriOS\/([\d.]+)/)) ||
                (firefox && ua.match(/Mobile/)) || (ie && ua.match(/Touch/))))
        }

        detect.call($, navigator.userAgent)
        // make available to unit tests
        $.__detect = detect

    })(Zepto)

    ;(function($, undefined){
        var prefix = '', eventPrefix, endEventName, endAnimationName,
            vendors = { Webkit: 'webkit', Moz: '', O: 'o' },
            document = window.document, testEl = document.createElement('div'),
            supportedTransforms = /^((translate|rotate|scale)(X|Y|Z|3d)?|matrix(3d)?|perspective|skew(X|Y)?)$/i,
            transform,
            transitionProperty, transitionDuration, transitionTiming, transitionDelay,
            animationName, animationDuration, animationTiming, animationDelay,
            cssReset = {}

        function dasherize(str) { return str.replace(/([a-z])([A-Z])/, '$1-$2').toLowerCase() }
        function normalizeEvent(name) { return eventPrefix ? eventPrefix + name : name.toLowerCase() }

        $.each(vendors, function(vendor, event){
            if (testEl.style[vendor + 'TransitionProperty'] !== undefined) {
                prefix = '-' + vendor.toLowerCase() + '-'
                eventPrefix = event
                return false
            }
        })

        transform = prefix + 'transform'
        cssReset[transitionProperty = prefix + 'transition-property'] =
            cssReset[transitionDuration = prefix + 'transition-duration'] =
                cssReset[transitionDelay    = prefix + 'transition-delay'] =
                    cssReset[transitionTiming   = prefix + 'transition-timing-function'] =
                        cssReset[animationName      = prefix + 'animation-name'] =
                            cssReset[animationDuration  = prefix + 'animation-duration'] =
                                cssReset[animationDelay     = prefix + 'animation-delay'] =
                                    cssReset[animationTiming    = prefix + 'animation-timing-function'] = ''

        $.fx = {
            off: (eventPrefix === undefined && testEl.style.transitionProperty === undefined),
            speeds: { _default: 400, fast: 200, slow: 600 },
            cssPrefix: prefix,
            transitionEnd: normalizeEvent('TransitionEnd'),
            animationEnd: normalizeEvent('AnimationEnd')
        }

        $.fn.animate = function(properties, duration, ease, callback, delay){
            if ($.isFunction(duration))
                callback = duration, ease = undefined, duration = undefined
            if ($.isFunction(ease))
                callback = ease, ease = undefined
            if ($.isPlainObject(duration))
                ease = duration.easing, callback = duration.complete, delay = duration.delay, duration = duration.duration
            if (duration) duration = (typeof duration == 'number' ? duration :
                ($.fx.speeds[duration] || $.fx.speeds._default)) / 1000
            if (delay) delay = parseFloat(delay) / 1000
            return this.anim(properties, duration, ease, callback, delay)
        }

        $.fn.anim = function(properties, duration, ease, callback, delay){
            var key, cssValues = {}, cssProperties, transforms = '',
                that = this, wrappedCallback, endEvent = $.fx.transitionEnd,
                fired = false

            if (duration === undefined) duration = $.fx.speeds._default / 1000
            if (delay === undefined) delay = 0
            if ($.fx.off) duration = 0

            if (typeof properties == 'string') {
                // keyframe animation
                cssValues[animationName] = properties
                cssValues[animationDuration] = duration + 's'
                cssValues[animationDelay] = delay + 's'
                cssValues[animationTiming] = (ease || 'linear')
                endEvent = $.fx.animationEnd
            } else {
                cssProperties = []
                // CSS transitions
                for (key in properties)
                    if (supportedTransforms.test(key)) transforms += key + '(' + properties[key] + ') '
                    else cssValues[key] = properties[key], cssProperties.push(dasherize(key))

                if (transforms) cssValues[transform] = transforms, cssProperties.push(transform)
                if (duration > 0 && typeof properties === 'object') {
                    cssValues[transitionProperty] = cssProperties.join(', ')
                    cssValues[transitionDuration] = duration + 's'
                    cssValues[transitionDelay] = delay + 's'
                    cssValues[transitionTiming] = (ease || 'linear')
                }
            }

            wrappedCallback = function(event){
                if (typeof event !== 'undefined') {
                    if (event.target !== event.currentTarget) return // makes sure the event didn't bubble from "below"
                    $(event.target).unbind(endEvent, wrappedCallback)
                } else
                    $(this).unbind(endEvent, wrappedCallback) // triggered by setTimeout

                fired = true
                $(this).css(cssReset)
                callback && callback.call(this)
            }
            if (duration > 0){
                this.bind(endEvent, wrappedCallback)
                // transitionEnd is not always firing on older Android phones
                // so make sure it gets fired
                setTimeout(function(){
                    if (fired) return
                    wrappedCallback.call(that)
                }, (duration * 1000) + 25)
            }

            // trigger page reflow so new elements can animate
            this.size() && this.get(0).clientLeft

            this.css(cssValues)

            if (duration <= 0) setTimeout(function() {
                that.each(function(){ wrappedCallback.call(this) })
            }, 0)

            return this
        }

        testEl = null
    })(Zepto)

    ;(function($, undefined){
        var document = window.document, docElem = document.documentElement,
            origShow = $.fn.show, origHide = $.fn.hide, origToggle = $.fn.toggle

        function anim(el, speed, opacity, scale, callback) {
            if (typeof speed == 'function' && !callback) callback = speed, speed = undefined
            var props = { opacity: opacity }
            if (scale) {
                props.scale = scale
                el.css($.fx.cssPrefix + 'transform-origin', '0 0')
            }
            return el.animate(props, speed, null, callback)
        }

        function hide(el, speed, scale, callback) {
            return anim(el, speed, 0, scale, function(){
                origHide.call($(this))
                callback && callback.call(this)
            })
        }

        $.fn.show = function(speed, callback) {
            origShow.call(this)
            if (speed === undefined) speed = 0
            else this.css('opacity', 0)
            return anim(this, speed, 1, '1,1', callback)
        }

        $.fn.hide = function(speed, callback) {
            if (speed === undefined) return origHide.call(this)
            else return hide(this, speed, '0,0', callback)
        }

        $.fn.toggle = function(speed, callback) {
            if (speed === undefined || typeof speed == 'boolean')
                return origToggle.call(this, speed)
            else return this.each(function(){
                var el = $(this)
                el[el.css('display') == 'none' ? 'show' : 'hide'](speed, callback)
            })
        }

        $.fn.fadeTo = function(speed, opacity, callback) {
            return anim(this, speed, opacity, null, callback)
        }

        $.fn.fadeIn = function(speed, callback) {
            var target = this.css('opacity')
            if (target > 0) this.css('opacity', 0)
            else target = 1
            return origShow.call(this).fadeTo(speed, target, callback)
        }

        $.fn.fadeOut = function(speed, callback) {
            return hide(this, speed, null, callback)
        }

        $.fn.fadeToggle = function(speed, callback) {
            return this.each(function(){
                var el = $(this)
                el[
                    (el.css('opacity') == 0 || el.css('display') == 'none') ? 'fadeIn' : 'fadeOut'
                    ](speed, callback)
            })
        }

    })(Zepto)

    ;(function($){
        var zepto = $.zepto, oldQsa = zepto.qsa, oldMatches = zepto.matches

        function visible(elem){
            elem = $(elem)
            return !!(elem.width() || elem.height()) && elem.css("display") !== "none"
        }

        // Implements a subset from:
        // http://api.jquery.com/category/selectors/jquery-selector-extensions/
        //
        // Each filter function receives the current index, all nodes in the
        // considered set, and a value if there were parentheses. The value
        // of `this` is the node currently being considered. The function returns the
        // resulting node(s), null, or undefined.
        //
        // Complex selectors are not supported:
        //   li:has(label:contains("foo")) + li:has(label:contains("bar"))
        //   ul.inner:first > li
        var filters = $.expr[':'] = {
            visible:  function(){ if (visible(this)) return this },
            hidden:   function(){ if (!visible(this)) return this },
            selected: function(){ if (this.selected) return this },
            checked:  function(){ if (this.checked) return this },
            parent:   function(){ return this.parentNode },
            first:    function(idx){ if (idx === 0) return this },
            last:     function(idx, nodes){ if (idx === nodes.length - 1) return this },
            eq:       function(idx, _, value){ if (idx === value) return this },
            contains: function(idx, _, text){ if ($(this).text().indexOf(text) > -1) return this },
            has:      function(idx, _, sel){ if (zepto.qsa(this, sel).length) return this }
        }

        var filterRe = new RegExp('(.*):(\\w+)(?:\\(([^)]+)\\))?$\\s*'),
            childRe  = /^\s*>/,
            classTag = 'Zepto' + (+new Date())

        function process(sel, fn) {
            // quote the hash in `a[href^=#]` expression
            sel = sel.replace(/=#\]/g, '="#"]')
            var filter, arg, match = filterRe.exec(sel)
            if (match && match[2] in filters) {
                filter = filters[match[2]], arg = match[3]
                sel = match[1]
                if (arg) {
                    var num = Number(arg)
                    if (isNaN(num)) arg = arg.replace(/^["']|["']$/g, '')
                    else arg = num
                }
            }
            return fn(sel, filter, arg)
        }

        zepto.qsa = function(node, selector) {
            return process(selector, function(sel, filter, arg){
                try {
                    var taggedParent
                    if (!sel && filter) sel = '*'
                    else if (childRe.test(sel))
                    // support "> *" child queries by tagging the parent node with a
                    // unique class and prepending that classname onto the selector
                        taggedParent = $(node).addClass(classTag), sel = '.'+classTag+' '+sel

                    var nodes = oldQsa(node, sel)
                } catch(e) {
                    console.error('error performing selector: %o', selector)
                    throw e
                } finally {
                    if (taggedParent) taggedParent.removeClass(classTag)
                }
                return !filter ? nodes :
                    zepto.uniq($.map(nodes, function(n, i){ return filter.call(n, i, nodes, arg) }))
            })
        }

        zepto.matches = function(node, selector){
            return process(selector, function(sel, filter, arg){
                return (!sel || oldMatches(node, sel)) &&
                    (!filter || filter.call(node, null, arg) === node)
            })
        }
    })(Zepto)

    ;(function($){
        var touch = {},
            touchTimeout, tapTimeout, swipeTimeout, longTapTimeout,
            longTapDelay = 750,
            gesture

        function swipeDirection(x1, x2, y1, y2) {
            return Math.abs(x1 - x2) >=
                Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down')
        }

        function longTap() {
            longTapTimeout = null
            if (touch.last) {
                touch.el.trigger('longTap')
                touch = {}
            }
        }

        function cancelLongTap() {
            if (longTapTimeout) clearTimeout(longTapTimeout)
            longTapTimeout = null
        }

        function cancelAll() {
            if (touchTimeout) clearTimeout(touchTimeout)
            if (tapTimeout) clearTimeout(tapTimeout)
            if (swipeTimeout) clearTimeout(swipeTimeout)
            if (longTapTimeout) clearTimeout(longTapTimeout)
            touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null
            touch = {}
        }

        function isPrimaryTouch(event){
            return (event.pointerType == 'touch' ||
                event.pointerType == event.MSPOINTER_TYPE_TOUCH)
                && event.isPrimary
        }

        function isPointerEventType(e, type){
            return (e.type == 'pointer'+type ||
                e.type.toLowerCase() == 'mspointer'+type)
        }

        $(document).ready(function(){
            var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType

            if ('MSGesture' in window) {
                gesture = new MSGesture()
                gesture.target = document.body
            }

            $(document)
                .bind('MSGestureEnd', function(e){
                    var swipeDirectionFromVelocity =
                        e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null;
                    if (swipeDirectionFromVelocity) {
                        touch.el.trigger('swipe')
                        touch.el.trigger('swipe'+ swipeDirectionFromVelocity)
                    }
                })
                .on('touchstart MSPointerDown pointerdown', function(e){
                    if((_isPointerType = isPointerEventType(e, 'down')) &&
                        !isPrimaryTouch(e)) return
                    firstTouch = _isPointerType ? e : e.touches[0]
                    if (e.touches && e.touches.length === 1 && touch.x2) {
                        // Clear out touch movement data if we have it sticking around
                        // This can occur if touchcancel doesn't fire due to preventDefault, etc.
                        touch.x2 = undefined
                        touch.y2 = undefined
                    }
                    now = Date.now()
                    delta = now - (touch.last || now)
                    touch.el = $('tagName' in firstTouch.target ?
                        firstTouch.target : firstTouch.target.parentNode)
                    touchTimeout && clearTimeout(touchTimeout)
                    touch.x1 = firstTouch.pageX
                    touch.y1 = firstTouch.pageY
                    if (delta > 0 && delta <= 250) touch.isDoubleTap = true
                    touch.last = now
                    longTapTimeout = setTimeout(longTap, longTapDelay)
                    // adds the current touch contact for IE gesture recognition
                    if (gesture && _isPointerType) gesture.addPointer(e.pointerId);
                })
                .on('touchmove MSPointerMove pointermove', function(e){
                    if((_isPointerType = isPointerEventType(e, 'move')) &&
                        !isPrimaryTouch(e)) return
                    firstTouch = _isPointerType ? e : e.touches[0]
                    cancelLongTap()
                    touch.x2 = firstTouch.pageX
                    touch.y2 = firstTouch.pageY

                    deltaX += Math.abs(touch.x1 - touch.x2)
                    deltaY += Math.abs(touch.y1 - touch.y2)
                })
                .on('touchend MSPointerUp pointerup', function(e){
                    if((_isPointerType = isPointerEventType(e, 'up')) &&
                        !isPrimaryTouch(e)) return
                    cancelLongTap()

                    // swipe
                    if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||
                        (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))

                        swipeTimeout = setTimeout(function() {
                            touch.el.trigger('swipe')
                            touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))
                            touch = {}
                        }, 0)

                    // normal tap
                    else if ('last' in touch)
                    // don't fire tap when delta position changed by more than 30 pixels,
                    // for instance when moving to a point and back to origin
                        if (deltaX < 30 && deltaY < 30) {
                            // delay by one tick so we can cancel the 'tap' event if 'scroll' fires
                            // ('tap' fires before 'scroll')
                            tapTimeout = setTimeout(function() {

                                // trigger universal 'tap' with the option to cancelTouch()
                                // (cancelTouch cancels processing of single vs double taps for faster 'tap' response)
                                var event = $.Event('tap')
                                event.cancelTouch = cancelAll
                                touch.el.trigger(event)

                                // trigger double tap immediately
                                if (touch.isDoubleTap) {
                                    if (touch.el) touch.el.trigger('doubleTap')
                                    touch = {}
                                }

                                // trigger single tap after 250ms of inactivity
                                else {
                                    touchTimeout = setTimeout(function(){
                                        touchTimeout = null
                                        if (touch.el) touch.el.trigger('singleTap')
                                        touch = {}
                                    }, 250)
                                }
                            }, 0)
                        } else {
                            touch = {}
                        }
                    deltaX = deltaY = 0

                })
                // when the browser window loses focus,
                // for example when a modal dialog is shown,
                // cancel all ongoing events
                .on('touchcancel MSPointerCancel pointercancel', cancelAll)

            // scrolling the window indicates intention of the user
            // to scroll, not tap or swipe, so cancel all ongoing events
            $(window).on('scroll', cancelAll)
        })

        ;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown',
            'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){
                $.fn[eventName] = function(callback){ return this.on(eventName, callback) }
            })
    })(Zepto)

    ;(function($){
        if ($.os.ios) {
            var gesture = {}, gestureTimeout

            function parentIfText(node){
                return 'tagName' in node ? node : node.parentNode
            }

            $(document).bind('gesturestart', function(e){
                var now = Date.now(), delta = now - (gesture.last || now)
                gesture.target = parentIfText(e.target)
                gestureTimeout && clearTimeout(gestureTimeout)
                gesture.e1 = e.scale
                gesture.last = now
            }).bind('gesturechange', function(e){
                    gesture.e2 = e.scale
                }).bind('gestureend', function(e){
                    if (gesture.e2 > 0) {
                        Math.abs(gesture.e1 - gesture.e2) != 0 && $(gesture.target).trigger('pinch') &&
                        $(gesture.target).trigger('pinch' + (gesture.e1 - gesture.e2 > 0 ? 'In' : 'Out'))
                        gesture.e1 = gesture.e2 = gesture.last = 0
                    } else if ('last' in gesture) {
                        gesture = {}
                    }
                })

            ;['pinch', 'pinchIn', 'pinchOut'].forEach(function(m){
                $.fn[m] = function(callback){ return this.bind(m, callback) }
            })
        }
    })(Zepto)

    if ( typeof module === "object" && module && typeof module.exports === "object" ) {
        module.exports = Zepto;
    } else {
        window.Zepto = window.$ = Zepto;

        if ( typeof define === "function" && define.amd ) {
            define( "zepto/zepto", [], function () { return Zepto; } );
        }
    }
})
